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Biol129_C17 - Circulation Review Heart Vasculature 1...

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1 Circulation Review Heart Vasculature
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2 Arteries There are 2 coronary arteries – Branch immediately from Aortic sinus The Right Coronary A Passes along the coronary groove – Gives off an ascending branch to the SA node – Gives off a right marginal branch Supplies the anterior almost to apex – Travels posteriorly to the crux (cross)
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3 Arteries - 2 RCA – cont’d At crux gives off: – AV nodal branch (to AV node) – Post. Interventricular Branch (P. Decending Br.) The RCA supplies 2/3 heart’s supply Reaches: Rt Atr, Most of Rt Ven, Part of Lt Ven, SA and AV nodes
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